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Dr Dhillon attained his medical degree from Imperial College London in 2009 with an intercalating honours bachelor’s degree in Gastroenterology and Hepatology. He undertook postgraduate training, rotating through hospitals in London, Kent, Surrey and Sussex.

Following completion of his training, he underwent further specialist training during a 3-year post-CCT advanced endoscopy fellowship post at St Mark’s Hospital, an internationally recognised centre of excellence for intestinal disorders and endoscopy.

During this time, he conducted research into the diagnosis and treatment of precancer and early cancer in the bowel and trained in advanced endoscopic techniques for safe and effective removal of gastrointestinal polyps. He has published widely in areas of endoscopy and inflammatory bowel disease and been award multiple travel grants to present his work internationally.

Dr Dhillon was appointed as a Consultant at Lewisham and Greenwich NHS Trust in 2021. He is based at Queen Elizabeth Hospital where he leads the complex polypectomy and capsule endoscopy service. He is a National Bowel Cancer Screening Programme accredited endoscopist and performs regular screening colonoscopy lists at the University Hospital Lewisham which is the bowel cancer screening hub for South East London.

His specialist interests remain wide including the diagnosis and management of diseases and disorders affecting the oesophagus (e.g. swallowing problems, heartburn), stomach (e.g. ulcers, bloating), small and large bowel (e.g. irritable bowel syndrome, food intolerance, bacterial overgrowth), and liver (e.g. jaundice, fatty liver). 

He prides himself on performing the highest quality and comfortable day-case gastroscopy and colonoscopy procedures for both diagnosis and therapy. His outpatient services include investigation of all gastrointestinal symptoms to diagnose and treat functional and organic disorders. Dr Dhillon prioritises a holistic approach to healthcare by ensuring the wider impact of a patient’s symptoms on their life is addressed and that they are fully involved in the subsequent therapeutic decision-making process.